Blood56million Americans unknowingly exposed to second-hand smoke Posted on September 20, 2023September 20, 2023 by yun 20 Sep By Luke Andrews Health Reporter For Dailymail.Com Published: 14:05 EDT, 20 September 2023 | Updated: 14:08 EDT, 20 September 2023 yun CDC Awarding More Than $250 Million For Network Of 13 Infectious Disease Forecasting Centers Health workers warn loosening mask rules in hospitals will harm patients, providers